DMR
STS Chain Tensioner

Details

- Simple tension seeker (STS) allows the use of a 1 speed drivetrain on a vertical drop frame- Perfect for street or dirt jump where simplicity and durability is key- Stainless steel arm mounts to derailleur hanger and dropout- Loosen bolt and swing down and back to adjust chain tension - High density polyurethane pulley with sealed cartridge bearings